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BROWN AND CALDWELL Well No MW-3 <br /> II <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Manteca Job No : 3003-03 Date 2 ZZ -4G <br /> .ovation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name 1��r1�/;E5jQ1AJ I'V- <br /> Weather Conditions I�-1 9:Z OLeAC L2L- )5-:�`r <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ 1,5,41 Water Table Elev <br /> b Total Well Depth = 25 77 ft Tape Corr (TC) <br /> c Length of Water Column /C1 54- , (b -a) Well Diameter 4"x 10" <br /> d Casing Volume - L- �3 (c x [gaVft casing]) 2-in casing =016 gaVft <br /> • 4-in casing = 0 65 gaVft <br /> Is Length of filter pack = rE 6-in casing = 1 47 gaVft <br /> f Filter pack volume = 1'l= (e x [gaVft filter pack]) 6.5-m casing = 1 70 gaVft <br /> TOTAL WELL VOLUME = 1�, (d + f 8-in casing =2 60 gaVft <br /> bG <br /> 9 C ) 10-in casing =410 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA 8-in hole filter pack =0 78gaVft <br /> • 10-m hole filter pack= 1 21 gaVft <br /> a Purge Method 'rzAs+� ��+"'�A w i��'Z� 12-m hole filter pack= 1 47gaVft <br /> b Required Purge Volume (@ _gallons per well volume) = h-&,41 &74L, <br /> c Field Testing, Equipment Used Yj # — S.0 <br /> d Pump Rate <br /> e Method of GW Disposal __--55-galnn drum <br /> f Recovery Rate low(90% 60min edium (90%30-60 min), Fast (90%< 10 min) 606---5 r� y <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time TOC pH Conductivity (NTU's) Description SWL Placement <br /> I1 <br /> we <br /> fq' '3� 1 `1 .00 �)&4- ✓ T�,l CaCc�tii, s�Gz,7, <br /> i <br /> 1 0 # (:;A??- 7qb S/ Ltel> <br /> I I <br /> I <br /> 3 SAMPLE COLLECTION Method 'Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis _ TPH (gas) 8015, BTEX 8020 , <br /> COMMENTS, REMARKS' <br /> � I <br /> I <br /> it 1 i <br />